Sometimes, our neurons of central nervous system malfunction, which leads to contractions of involuntary eye muscle leading to blepharospasm. The causes of this eye disorder are however still under research. Nevertheless, if ones feels uncontrolled blinking of eyes which is affecting our eyes and quality of life, it is always recommended to visit an eye doctor.
The relationship of various parts of brain with rest of the body especially eye is important. Many neurological problems like tumours in the brain, injury to brain, nerve or spinal cord can greatly affect our eyes and vision. In case of blurry vision with persistent headache, it is always recommended to visit an eye doctor.